HS

Hirokazu Shimizu

Sumitomo Electric Industries: 24 patents #740 of 21,551Top 4%
UJ Unisia Jecs: 16 patents #14 of 395Top 4%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
TC Toyo Aerosol Industry Co.: 9 patents #3 of 53Top 6%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
HS Hitachi Automotive Systems: 5 patents #333 of 1,636Top 25%
RE Renesas Electronics: 5 patents #829 of 4,529Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
OL Origin Electric Company, Limited: 3 patents #18 of 128Top 15%
HA Hitachi Astemo: 2 patents #393 of 1,276Top 35%
HA Hitachi Unisia Automotive: 2 patents #11 of 62Top 20%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
UN Unitika: 2 patents #136 of 620Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
OC Osaka Gas Chemicals Co.: 1 patents #9 of 38Top 25%
TC Taiyo Yuden Co.: 1 patents #643 of 959Top 70%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
Overall (All Time): #16,016 of 4,157,543Top 1%
95
Patents All Time

Issued Patents All Time

Showing 51–75 of 95 patents

Patent #TitleCo-InventorsDate
6722325 Variable valve control apparatus for engine and method thereof Kenichi Machida 2004-04-20
6705257 Apparatus and method for controlling variable valve in internal combustion engine 2004-03-16
6691506 Device and method for controlling variable valve timing of internal combustion engine 2004-02-17
6655361 Fuel injection control apparatus of engine 2003-12-02
6626030 Cylinder discrimination device and cylinder discrimination method of engine 2003-09-30
6622678 Apparatus and method for controlling variable valve mechanism Kenichi Machida 2003-09-23
6505128 Apparatus and method for judging cylinders of an engine Kenichi Machida 2003-01-07
6484676 Apparatus and method for controlling variable valve timing of internal combustion engine Isamu Iizuka 2002-11-26
6483312 Cylinder discrimination device and cylinder discrimination method of engine Noriaki Shimizu 2002-11-19
6223722 Apparatus and method for controlling an ignition timing in an internal combustion engine Yukio Hoshino 2001-05-01
6168015 CD package 2001-01-02
6073606 Apparatus for controlling fuel injection for a direct-injection gasoline engine and a method thereof Kenichi Machida, Yuki Nakajima, Hiraku Ooba, Takamasa Ueda 2000-06-13
5970950 Control method and control apparatus of direct injection gasoline engine Hajime Hosoya, Hiraku Ohba, Yuki Nakajima, Takamasa Ueda 1999-10-26
5793785 Semiconductor laser device Hideyuki Nakanishi, Akio Yoshikawa 1998-08-11
5765530 Method of controlling ignition timing of internal combustion engine and apparatus therefore Kenichi Machida 1998-06-16
5740780 Control system for improved cylinder torque balance of engine Kenichi Machida 1998-04-21
5703285 Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine Kenichi Machida 1997-12-30
5632257 Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine Kenichi Machida 1997-05-27
5587334 Semiconductor laser device fabrication method Hiroki Naito, Masahiro Kume, Hideyuki Sugiura, Toru Takayama, Kunio Itoh +1 more 1996-12-24
5479426 Semiconductor laser device with integrated reflector on a (511) tilted lattice plane silicon substrate Hideyuki Nakanishi, Akio Yoshikawa 1995-12-26
5475670 Deflection plate for optical pick-up device Ken Hamada, Hideyuki Nakanishi 1995-12-12
5386429 Low operating current and low noise semiconductor laser device for optical disk memories Hiroki Naito, Masahiro Kume, Hideyuki Sugiura, Toru Takayama, Kunio Itoh +1 more 1995-01-31
5297158 Semiconductor laser device including a gallium-aluminum arsenic compound Hiroki Naitou, Masahiro; Kume, Issei Ota 1994-03-22
5196977 Tape guide mechanism for recording and reproducing device Kyuichirou Nagai, Kenji Ogiro 1993-03-23
5031186 Semiconductor laser device Shinichi Takigawa, Masahiro Kume 1991-07-09